:root{--tbi-primary:#0f2d66;--tbi-accent:#1f7cff;--tbi-bg:#f4f7fb}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#fff;color:#1f2937}
.tbi-nav{background:var(--tbi-primary)} .tbi-logo{display:inline-flex;width:2rem;height:2rem;border-radius:50%;background:var(--tbi-accent);align-items:center;justify-content:center;color:#fff;font-size:.75rem}
.card{border:0;box-shadow:0 .4rem 1.2rem rgba(15,45,102,.08)}
.btn-primary{background:var(--tbi-primary);border-color:var(--tbi-primary)} .btn-outline-primary{color:var(--tbi-primary);border-color:var(--tbi-primary)}
.tbi-footer{background:#0b1e44;color:#d9e6ff}.tbi-footer a{color:#9bc2ff}